A003875 - OEIS

A003875 as a simple table

n	a(n)
1	1
2	1
3	10
4	10
5	44
6	44
7	45
8	45
9	110
10	110
11	120
12	120
13	132
14	132
15	165
16	165
17	210
18	210
19	231
20	231
21	252
22	330
23	330
24	385
25	385
26	462
27	462
28	550
29	550
30	594
31	594
32	660
33	660
34	693
35	693
36	825
37	825
38	924
39	924
40	990
41	990
42	990
43	990
44	1100
45	1100
46	1155
47	1155
48	1188
49	1232
50	1232
51	1320
52	1320
53	1540
54	1540
55	2310
56	2310

[1,1,10,10,44,44,45,45,110,110,120,120,132,132, 165,165,210,210,231,231,252,330,330,385,385,462, 462,550,550,594,594,660,660,693,693,825,825,924, 924,990,990,990,990,1100,1100,1155,1155,1188,1232, 1232,1320,1320,1540,1540,2310,2310]